SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 COLORADO BUSINESS BANKSHARES, INC. COLORADO BUSINESS BANKSHARES CAPITAL TRUST I (Exact Name of Registrant (Exact Name of Registrant as Specified in its Charter) as Specified in its Charter) Colorado Delaware (State of Incorporation or Organization) (State of Incorporation or Organization) 84-0826324 Applied for (IRS Employer Identification Number) (IRS Employer Identification Number) 821 Seventeenth Street Denver, Colorado 80202 (Address of Principal Executive Offices) If this Form relates to the registration of a class of debt securities and is effective upon filing pursuant to General Instruction A(c)(1), please check the following box. [ ] If this Form relates to the registration of a class of debt securities and is to become effective simultaneously with the effectiveness of a concurrent registration statement under the Securities Act of 1933 pursuant to General Instruction A(c)(2), please check the following box. [X] Securities to be registered pursuant to Section 12(b) of the Act: Name of each exchange Title of each class on which each class to be registered is to be registered 10% Capital Securities of Colorado American Stock Exchange Business Bankshares Capital Trust I (and the Guarantee with respect thereto) 10% Debentures of American Stock Exchange Colorado Business Bankshares, Inc. Securities to be registered pursuant to Section 12(g) of the Act: None (Title of Class) -2- Item 1. Description of Registrants' Securities to be Registered For a full description of Colorado Business Bankshares Capital Trust I's 10% Capital Securities (the "Capital Securities"), Colorado Business Bankshares, Inc.'s Guarantee (the "Guarantee") and Colorado Business Bankshares, Inc.'s 10% Debentures (the "Debentures") being registered hereby, reference is made to the information contained under the captions "Description of Capital Securities", "Description of the Debentures", and "Description of the Guarantee" in the Prospectus that forms part of the Registrants' registration statement (Registration Nos. 333-37674 and 333-37674-01) filed with the Securities and Exchange Commission ("SEC") on May 23, 2000, under the Securities Act of 1933, as amended (the "Securities Act"), which registration statement was amended by Pre-Effective Amendment No. 1 filed with the SEC on June 5, 2000 and by Pre- Effective Amendment No. 2 filed with the SEC on June 15, 2000. The information contained in the foregoing Registration Statement, as amended (the "Registration Statement"), and the Prospectus, are incorporated herein by reference. Definitive copies of the Prospectus describing the Capital Securities and the Debentures will be filed pursuant to Rule 430A or pursuant to an amendment to the Registration Statement under the Securities Act, and shall be incorporated by reference into this registration statement on Form 8-A. Item 2. Exhibits 1.1 (1) Trust Agreement of Colorado Business Bankshares Capital Trust I. 1.2 (1) Form of Amended and Restated Trust Agreement for Colorado Business Bankshares Capital Trust I. 1.3 (1) Form of Guarantee. 1.4 (1) Form of Indenture. (1) Incorporated herein by reference from the Registrants' Registration Statement on Form S-1, as amended by Amendment No. 2, as filed on June 15, 2000. -3- SIGNATURES Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the registrants have duly caused this registration statement to be signed on their behalf by the undersigned, thereunto duly authorized. Dated: June 20, 2000. COLORADO BUSINESS BANKSHARES, INC. COLORADO BUSINESS BANKSHARES CAPITAL TRUST I By: /s/ Richard J. Dalton By: /s/ Richard J. Dalton -------------------------------- -------------------------------- Richard J. Dalton Richard J. Dalton Chief Financial Officer Administrative Trustee